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Probability
- is the chance that something will happen.
Statistic
- value that tells or describe something about a sample.
Statistics
- is the SCIENCE of Planning studies, collecting, organizing, presenting, analyzing or summmarizing, interpreting, and drawing conclusion based on the data.
Variable
- a characteristic that is observable and measurable in every unit of a universe.
Inferential
- using a sample to interpret and draw conclusion based on the data or about a population.
Sample space
- all possible outcomes of an experiment.
Survey
- This refers to a method of collecting information about a population in which direct contact is made with the units of study through systematic means such as questionnaires and interview schedules.
Convenience
Sampling- is a process of picking out people in the most and fastest way to get reactions immediately.
Parameter
- It is a value that tells or describe something about a population.
Purposive Sampling
- It is based on certain criteria laid down by the researcher.
Frame
- a collection of units, (referred to as sampling units) in a population; the materials or devices, which delimit, identify and allow access to the elements of the target population.
Universe
- collection or set of entities from whom we go the data.
Ordinal
- variable are rank ordered according to their magnitude or intensity.
Qualitative
- non- numeric and express categorical attributes.
Organization
- determining /ascertaining manner of of presenting the data into tables /graphs or chart so that logical and statistical conclusion can be drawn from collected measurement.
Descriptive
- collection, organization, presentation, analysis /summarization of data.
Leptokurtic
- High degree of peakedness, Kurtosis> 0.
Population
- the set of all possible values of a variable.
Multi
- stage Sampling- Selection of the sample is done in two or more steps or stages, with sampling units varying in each stage.
Sample
- subgroup of a population.
Statistical experiment
- used to describe any process by which several chance observations are obtained.
standard deviation
STANDARD SCORE or Z- SCORE- equivalent value of a raw score expressed in terms of the mean and of the distribution.
Non Probability Sampling
- The sample is not a proportion of the population and there is no system in selecting the sample.
O Census
or complete enumeration- This is a survey in which data are to be collected from all elements of the target population.
Accidental Sampling
- There is no system of selection but only those whom the researcher or interviewer meets by chance.
Quota Sampling
- There is specified number of persons of certain types is included in the sample.
Sample survey
O - This refers to the gathering of information from only a fraction of the population chosen to represent the whole.
Inferential
- Percentages and sample size.